Home / 5,087.44-7,629-2,313.28

Finding the Fourth Proportional to 5,087.44, 7,629 and 2,313.28

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Solution

The fourth proportional to 5,087.44, 7,629 and 2,313.28 is: 3,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.44 : 7,629 = 2,313.28 : x
  2. Step 2: Convert to fraction form
    5,087.44/7,629 = 2,313.28/x
  3. Step 3: Cross multiply
    5,087.44x = 7,629 × 2,313.28
  4. Step 4: Simplify right side
    5,087.44x = 17,648,013.12
  5. Step 5: Solve for x
    x = 17,648,013.12/5,087.44
  6. Step 6: Final answer
    x = 3,468.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.